Photonic band gaps in three-dimensional network structures with short-range order

Seng Fatt Liew, Jin-Kyu Yang, Heeso Noh, Carl F. Schreck, Eric R. Dufresne, Corey S. O’Hern, and Hui Cao

Phys. Rev. A 84, 063818 – Published 7 December 2011

Abstract

We present a systematic study of photonic band gaps (PBGs) in three-dimensional (3D) photonic amorphous structures (PASs) with short-range order. From calculations of the density of optical states (DOS) for PASs with different topologies, we find that tetrahedrally connected dielectric networks produce the largest isotropic PBGs. Local uniformity and tetrahedral order are essential to the formation of PBGs in PASs, in addition to short-range geometric order. This work demonstrates that it is possible to create broad, isotropic PBGs for vector light fields in 3D PASs without long-range order.

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Received 5 August 2011

DOI:https://doi.org/10.1103/PhysRevA.84.063818

Authors & Affiliations

Seng Fatt Liew^1,*, Jin-Kyu Yang^1,2, Heeso Noh¹, Carl F. Schreck³, Eric R. Dufresne^3,4,5,6, Corey S. O’Hern^3,4, and Hui Cao^1,3

¹Department of Applied Physics, Yale University, New Haven, Connecticut 06511, USA
²Department of Optical Engineering, Kongju National University, Kongju 314-701, Republic of Korea
³Department of Physics, Yale University, New Haven, Connecticut 06511, USA
⁴Department of Mechanical Engineering and Materials Science, Yale University, New Haven, Connecticut 06511, USA
⁵Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06511, USA
⁶Department of Cell Biology, Yale University, New Haven, Connecticut 06511, USA

^*sengfatt.liew@yale.edu

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Vol. 84, Iss. 6 — December 2011

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